Blockstream builds Bitcoin and blockchain infrastructure, developing products including a hardware wallet, a sidechain network, a Lightning implementation, and a satellite system for broadcasting the blockchain.
Blockstream, founded in 2014, builds infrastructure for Bitcoin and blockchain technology. The company develops products aimed at making Bitcoin more accessible, secure, and scalable, with work spanning cryptography, layer-2 scaling solutions, and cryptographic research. Its portfolio includes the Liquid Network, a sidechain for fast confidential transactions; Core Lightning, a Lightning Network implementation; Blockstream Jade, a Bitcoin hardware wallet; and Blockstream Satellite, which broadcasts the Bitcoin blockchain from space.
The firm operates from 10 offices worldwide, with remote contributors on six continents and a team of over 100 members. Its technical domains cover Bitcoin development, blockchain technology, and open-source systems. Blockstream's work is grounded in principles of permissionless innovation and the ethos of "don't trust, verify," with a stated commitment to strengthening Bitcoin's technical foundation.
The company operates across the financial technology, cryptocurrency, and enterprise custody verticals. Its broader mission centres on accelerating adoption of a financial system powered by Bitcoin, delivered through open-source tooling and infrastructure built for both individual users and institutional participants.
